CLI Calculator - Reading User Input in Rust | Rust by Examples (Lesson 2)

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5:18
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Taught by Celeste AI - AI Coding Coach
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Description
Build an interactive command-line calculator in Rust! Learn how to read user input, parse strings to numbers, and use match expressions for clean operator handling. šŸ¦€ What You'll Learn: • Reading input with std::io::stdin() • Parsing strings to numbers with .parse() • Using .trim() to clean input • Match expressions for operator handling • Building interactive CLI programs ā±ļø Timestamps: 0:00 - Introduction 0:15 - Creating the Calculator Project 0:36 - Reading User Input Explained 0:56 - stdin Demo (Writing Code) 1:46 - Parsing Strings to Numbers 2:06 - Parsing Demo 2:51 - Building the Calculator Logic 3:11 - Calculator Code Walkthrough 3:44 - Running the Calculator 4:20 - Recap 4:45 - Thanks for Watching šŸ“š Series: Rust by Examples - Learn Rust through hands-on projects! šŸ”— Previous: Lesson 01 - Hello Cargo šŸ”— Next: Lesson 03 - Guessing Game šŸ“ Code: https://github.com/codegiz/rustbyexamples šŸ‘ Like and Subscribe for more Rust tutorials! šŸ”” Hit the bell to get notified of new lessons! #rust #rustlang #programming #calculator #stdin #tutorial #coding #beginners #rustbyexamples
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Duration

5:18

Published

January 10, 2026

Added to Codegiz

March 15, 2026

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